FIELD: chemical industry; pharmaceutical industry; transport. SUBSTANCE: device has cylinder consisting of two parts of different diameter and two scales intended for each part of cylinder. Small-diameter part of cylinder with limiter arranged in it is filled with indicating powder completely, and large-diameter part is filled with it partially. Cylinder is fitted with removable sealing members from both sides. Sealing member of large-diameter part of cylinder is made as a piston. EFFECT: reduced price and simplified operation of device. 6 cl, 2 dwg
